The boys�debuted with 'Spring Up' last year, came back in the summer with 'Summer Vibes', and then again in the fall with 'Autumn Story'. They're now bringing the series to a close with 'Winter Dream' and title song "Should've Held On". The single includes two other songs - "Cotton Candy" and "You & Me (Thanks AROHA)". The last song is a fan song with lyrics by the entire group.

ASTRO will also be celebrating their 1st anniversary since debut this February 23.�

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Check out the album below!